730558 has 8 divisors (see below), whose sum is σ = 1160352. Its totient is φ = 343776.

The previous prime is 730553. The next prime is 730559. The reversal of 730558 is 855037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×730558³ = 1169729269982703336, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10710 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (145044).

2⁷³⁰⁵⁵⁸ is an apocalyptic number.

730558 is a deficient number, since it is larger than the sum of its proper divisors (429794).

730558 is a wasteful number, since it uses less digits than its factorization.

730558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 730558 is about 854.7268569549. The cubic root of 730558 is about 90.0640696054.

The spelling of 730558 in words is "seven hundred thirty thousand, five hundred fifty-eight".